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|Title:||Acidity and catalytic activity of rare earth modified Al/Zr pillared clays|
Rahna, K S
Deepa, C S
|Abstract:||The pillared montmorillonite has been prepared by exchanging Na+ in the interlayer of montmorillonite with Al hydroxy cation followed by calcination . Pillared clays are also prepared after exchanging Na+ ions with Ce, La, Sm-ions and then pillared with aluminium oxides. The surface characterisation of the prepared catalysts has been done using XRD and surface area measurements. To probe the acidic property of the system, temperature programmed desorption (TPD) of NH3 has been done. Toluene alkylation by benzyl chloride has been carried out for the evaluation of catalytic activity. The most active system is found to be mixed Al/Zr pillared montmorillonite.|
|Appears in Collections:||IJC-A Vol.39A(07) [July 2000]|
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